Albert a



(N M del.) A. A. GREGORY.

AXLE LUBRIGATOR.

No. 409,962. Patented Aug. 27, 1889.

\ Swamp UNIT D STATES. PATENT OFFICE,

ALBERT A. GREGORY, OF CANTON, OHIO, ASSIGNOR OF ONE-HALF TO ALLEN COOK,OF SAME PLACE.

AXLE- LUBRlCATOR.

SPECIFICATION forming part of Letters Patent No. 409,962, dated August27, 1.889.

Application filed May 10, 1889. Serial No. 310,235. (No model.)

To all whom, it may concern;

Be it known that I, ALBERT A. GREGORY, a citizen of the United States,residing at Canton, in the county of Stark and State of Ohio, haveinvented certain new and useful Improvements in Oil-Cups; and I dohereby declare that the following is a full, clear, and exactdescription of the same, reference being had to the annexed drawings,making a re part of this specification, and to the letters and figuresof reference marked thereon, in which Figure 1 is a side elevationshowing a portion of a vehicle-hub with the oil-cup properly I 5attached; Fig. 2, a longitudinal section of the cup, showing itsposition when on top of the hub. Fig. 3 is a longitudinal section of thecup, showing its position when on the under side of the hub. Fig. 4 is adetached View of the retaining-spring.

The present invention has relation to oilcups; and it consists in thedifferent parts and combination of parts, hereinafter described, andparticularly pointed out in the 2 5 claims.

Similar letters of reference indicate corresponding parts in all thefigures of the draw ings.

In the accompanyingdrawings, A represents the cup, which issubstantially of the form shown, and is provided at its open end withscrew-threads, which are for the purpose of receiving and holding thescrew-threads of the cap B, which cap is located as illustrated 3 5 inthe drawings. The opposite end of the oilcup A is provided with thehollow screwthreaded shank a, which is for the purpose of entering ascrew-threaded aperture in the hub of a vehicle.

The plunger 0 is located as illustrated in the drawings, and as shown isprovided with the neck I). The portion'of the plunger located within theoil-cup A is formed heavy, for the purpose of causing the plunger to re-4 5 ciprocate back and forth as the oil-cup proper revolves with the hubD. It will be seen that as the oil-cup proper comes upon the top orupper side of the hub D the plunger will fall, and when the oil-cupproper comes upon the under side of the hub the plunger will again fall.The movements of the plunger are limited in one direction by theshoulder c striking against the shoulders (Z, and in the oppositedirection by the end of the plungerstriking the cap B. The portion ofthe plunger 5 5 fitting in the tube 6 is somewhat smaller in diameterthan the diameter of the tube, thereby permitting a small quantity ofoil to pass the plunger and reach the axle E.

In use the oil is placed in the cup A and the cap 13 placed in properposition. It will be seen that as the plunger O moves toward the axle itwill cause the oil to be forced toward the axle, and when the plungerassumes the position shown in Fig. 3 the oil will flow 6 away from theaxle, and, as the oil-cup proper is traveling toward the top of the hub,oil will pass into the tube 6 and around the neck of the plunger inadvance of the fall of said plunger.

For the purpose of regulating the quantity oil designed to reach theaxle, the portion of the plunger within the tube 6 is adjusted to agreater or less diameter, thereby regulating the space between theplunger and the wall of the tube.

For the purpose of preventing the cap B from becoming accidentallydisplaced, the retaining-spring F is provided, which is attached to thecup A, substantially as illus- 8o trated in Figs. 1 and 2. The free endof the spring is provided with the fiangef, which is for the purpose ofengaging one of the notches g in the cap B.

In caseit is desired, a metallic thimble may 8 be placed in the hub toreceive the screwthreaded shank a, in which event the inner side of thethiinble is screw-threaded, and if desired the outer side of saidthimble may be screw-threaded. o

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination of the cup A, provided with the screw-threaded cap Band the screw- 9 5 threaded shank a, the weighted plunger C, providedwith the neck I) and the shoulder 0, adapted to strike the shoulder (l,substantially as and for the purpose specified.

2. The combination of the cup A, provided I00 with the screw-threadedcap 13, the screwhereunto subscribed my name in the presence threadedshank a, and the tube e, the weighted of two witnesses. plunger 0,provided with the neok b and the r shoulder a, the spring F, adapted toengage ALBERT GREGORX' 5 one of the notches g, substantially as and forWitnesses:

the purpose specified. ALLEN CooK,

In testimony that I claim the above I have F. W. BOND.

